[PATCH xf86-video-ati] Update README for gitlab migration

[Michel Dänzer]

On 2018-11-18 9:22 p.m., Alan Coopersmith wrote:
> Signed-off-by: Alan Coopersmith <alan.coopersmith at oracle.com>
> ---
> 
> Unlike the similar updates to the other Xorg project README's, this leaves
> your bugzilla link in place, as well as the instructions to submit patches
> to your mailing list instead of suggesting gitlab merge requests.

Pushed, thanks Alan!


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer